21941086 Volvo FM II Water Pump

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator. It is engineered with high-strength components to withstand the rigorous thermal and mechanical stresses found in heavy commercial vehicle applications.

Compatible vehicles and engines

This component is specifically compatible with Volvo FM II models, including the FM 500, FM 460, FM 420, and FM 380 variants. It is also fitted to Volvo FM series trucks such as the FM 500, FM 460, FM 420, and FM 380. Consult your authorized distributor to confirm exact fitment.

Installation and maintenance

Technicians should inspect the pump during routine cooling system maintenance or when replacing belts. Common signs of failure include coolant leaks from the weep hole or unusual bearing noise. Ensuring proper installation of this mechanical pump helps prevent engine overheating.

Troubleshooting and selection

Regular monitoring of the cooling system helps extend the service life of the engine components. For optimal performance in heavy-duty trucks, always verify that the pump meets the required specifications for your specific engine model.

OE cross-reference

525.03.0005 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21941086.